package com.itheima.test;

public class arraytest3 {
    public static void main(String[] args) {
        //数组中，奇数扩大为两倍，偶数变为1/2
        int[] arr = {1,2,3,4,5,6,7,8,9,10};
        for (int i = 0; i < arr.length; i++) {
            if(arr[i]%2 == 0){
                arr[i] /= 2;
            }else{
                arr[i] *= 2;
            }
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
        //一个循环尽量只做一件事
    }
}
